fig7
From: Electrochemically nitrate remediation by single-atom catalysts: advances, mechanisms, and prospects
Figure 7. (A) Possible mechanisms for the adsorption of NO3- on Cu (111); (B) Calculated ΔG(*NO3) and ΔG(*H). This figure is quoted with permission from Wang et al.[97]; (C) Pourbaix diagram of nitrogen species (left), detailed O-end, O-side, N-end, and N-side pathways to form NH3, and the NO-dimer pathway to form N2 (right); (D) Atomic structure of TM/g-CN (left), TM/g-CN limiting potentials for NITRR via the N-end pathway (right). This figure is quoted with permission from Niu et al.[98]; (E) The atomic structure of TM/g-C2N (left), limiting potentials of TM/g-C2N (right). This figure is quoted with permission from Zhu et al.[99].
